Home / 3,397,638.90-4,688,742.42-1,869,746.01

Finding the Fourth Proportional to 3,397,638.90, 4,688,742.42 and 1,869,746.01

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Solution

The fourth proportional to 3,397,638.90, 4,688,742.42 and 1,869,746.01 is: 2,580,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,638.90 : 4,688,742.42 = 1,869,746.01 : x
  2. Step 2: Convert to fraction form
    3,397,638.90/4,688,742.42 = 1,869,746.01/x
  3. Step 3: Cross multiply
    3,397,638.90x = 4,688,742.42 × 1,869,746.01
  4. Step 4: Simplify right side
    3,397,638.90x = 8,766,757,431,712.74
  5. Step 5: Solve for x
    x = 8,766,757,431,712.74/3,397,638.90
  6. Step 6: Final answer
    x = 2,580,249.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.